package leetcode.weekly.week306;

import leetcode.helper.H;

//Solution4Test
public class Solution4 {

	public static int countSpecialNumbers(int n) {
		int ans = 0;
		// 2 3 5
		return ans;
	}

	private static int cnt(int take, int bit, int max) {
		int ans = 1;
		for (int i = 0, j = max - take + 1; i < bit; i++, j--) {
			ans *= j;
		}
		return ans;
	}
	
	public static void main(String[] args) {
		System.out.println(cnt(2,1,5));
	}

}
